Support custom properties at creation.
Support custom properties at creation.

If the developer provides custom properties in the options
object passed to create, we need to copy these onto the created JS
object.

[TIMOB-10316]

appcelerator/titanium_mobile_blackberry,appcelerator/titanium_mobile_blackberry,appcelerator/titanium_mobile_blackberry,appcelerator/titanium_mobile_blackberry,appcelerator/titanium_mobile_blackberry,appcelerator/titanium_mobile_blackberry